Selkämeri aaltopoiju
Neptun covers Selkämeri aaltopoiju (Finland) through the Finnish Meteorological Institute network. One GET request returns its readings as JSON — in the same shape as every other network Neptun serves, so you write the parsing once.
Source: Finnish Meteorological Institute · Position: 61.8001, 20.2327
Values at build time
| wave height | 0.9 m |
Snapshot taken at build time: 14.09.2026 08:30 UTC. Query the API for live values.
Request
curl -H "Authorization: Bearer mapi_YOUR_KEY" \
"https://neptun.marine-api.com/v1/levels?lat=61.8001&lon=20.2327&radius=5"